spectrogram_contour: Calculate contour polygons from a spectrogram

In ThierryO/rhinolophus: Identify Bats from Ultrasound Recordings

Description

Calculate contour polygons from a spectrogram

Usage

spectrogram_contour(spectrogram, contour.level = NULL)

Arguments

spectrogram	A spectrogram as generated by wav2spectrogram
contour.level	A vector of contour levels. If one number it is used as the step size in the vector.

Examples

 wav <- read_wav(
   system.file("demo_wav/leislers.wav", package = "rhinolophus")
 )
 spectrogram <- wav2spectrogram(wav)
 spectrogram_contour(spectrogram)

ThierryO/rhinolophus documentation built on May 9, 2019, 4:42 p.m.